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Finding the Fourth Proportional to 496,312.98, 744,106.56 and 159,161.73

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Solution

The fourth proportional to 496,312.98, 744,106.56 and 159,161.73 is: 238,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,312.98 : 744,106.56 = 159,161.73 : x
  2. Step 2: Convert to fraction form
    496,312.98/744,106.56 = 159,161.73/x
  3. Step 3: Cross multiply
    496,312.98x = 744,106.56 × 159,161.73
  4. Step 4: Simplify right side
    496,312.98x = 118,433,287,393.95
  5. Step 5: Solve for x
    x = 118,433,287,393.95/496,312.98
  6. Step 6: Final answer
    x = 238,626.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.